We can make 0.7033 an improper fraction by multiplying it by 10,000 to get:
7033/10,000
Note that this cannot be a mixed number because 10,000, the denominator, is greater than 7033, the numerator.
You may have misspelled or typoed the question, or the question might be wrong, because 0.7033 can't be written as a mixed number.